mk2705 Integrated Device Technology, mk2705 Datasheet

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mk2705

Manufacturer Part Number
mk2705
Description
Audio Clock Source
Manufacturer
Integrated Device Technology
Datasheet
AUDIO CLOCK SOURCE
Description
The MK2705 provides synchronous clock generation for
audio sampling clock rates derived from an MPEG stream,
or can be used as a standalone clock source with a 27 MHz
crystal. The device uses the latest PLL technology to
provide good phase noise and long term jitter
characteristics in a small 8-pin package.
Contact ICS if you have a requirement for an input and
output frequency not included in this document.
Block Diagram
IDT™ / ICS™ AUDIO CLOCK SOURCE
Optional crystal load capacitors
27 MHz crystal
or clock input
X1/REFIN
X2
S0
S1
Oscillator
Crystal
1
Features
and Control
PLL Clock
Synthesis
Packaged in 8-pin (150 mil wide) SOIC
Clock or crystal input
Low phase noise
Low jitter
Exact (0 ppm) multiplication ratios
Independent output voltage
Support for 256 times sampling rate
VDD
GND
Circuitry
VDDO
CLK
MK2705
DATASHEET
MK2705
REV C 102103

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mk2705 Summary of contents

Page 1

... AUDIO CLOCK SOURCE Description The MK2705 provides synchronous clock generation for audio sampling clock rates derived from an MPEG stream, or can be used as a standalone clock source with a 27 MHz crystal. The device uses the latest PLL technology to provide good phase noise and long term jitter characteristics in a small 8-pin package ...

Page 2

... IDT™ / ICS™ AUDIO CLOCK SOURCE Output Clock Selection Table Pin Description 2 CLOCK SYNTHESIZER Input Output S0 Frequency Frequency (MHz) (MHz 8.192 1 27 11.2896 0 27 12.288 1 27 24.576 MK2705 REV C 102103 ...

Page 3

... Other signal traces should be routed away from the MK2705. This includes signal traces just underneath the device layers adjacent to the ground plane layer used by the device. ...

Page 4

... AUDIO CLOCK SOURCE Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the MK2705. These ratings, which are standard values for ICS commercially rated parts, are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. ...

Page 5

... VDD/2, Note 20% to 80%, Note 80% to 20%, Note 1 OF peak to peak, Note delay peak to peak, Note 1 10 kHz offset 5 CLOCK SYNTHESIZER Min. Typ. Max. Units 27 MHz 1.5 ns 1.5 ns 175 ps 300 ps 0 ppm -110 dBc MK2705 REV C 102103 ...

Page 6

... MK2705S MK2705STR MK2705S While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems (ICS) assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied ...

Page 7

... MK2705 AUDIO CLOCK SOURCE Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800 345 7015 +408 284 8200 (outside U.S.) © ...

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